The process of producing an organism with more than two sets of chromosome is called mutation. - Science

The process of producing an organism with more than two sets of chromosome is called mutation.

MCQ

True or False

False.
Correct statement: The process of producing an organism with more than two sets of chromosome is called polyploidy.

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Methods of Plant Breeding for Crop Improvement

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Chapter 20 Breeding and Biotechnology
Evaluation | Q III. 2. | Page 297

Rice normally grows well in alluvial soil, but ______ is a rice variety produced by mutation breeding that grows well in saline soil.

Iron fortified rice variety determines the protein quality of the cultivated plant

In vitro fertilisation means the fertilisation done inside the body.

Assertion: Hybrid is superior than either of its parentsReason: Hybrid vigour is lost upon inbreeding.

Semi-dwarf varieties were introduced in rice. This was made possible by the presence of dwarfing gene in rice. Name this dwarfing gene.

Describe mutation breeding with an example.

Biofortification may help in removing hidden hunger. How?

With a neat labelled diagram explain the techniques involved in gene cloning.

Higher Order Thinking Skill (HOT)

Polyploids are characterised by gigantism. Justify your answer.

Higher Order Thinking Skill (HOT)

‘P’ is a gene required for the synthesis of vitamin A. It is integrated with genome of ‘Q’ to produce genetically modified plant ‘R’.